Heat Advisory Issued for Coastal Areas
A Heat Advisory is in effect for coastal areas, with heat index values possibly exceeding 105 degrees.
3 reports on this incident · first at Aug 20, 2026, 6:15 p.m. ET
Earlier reports
Aug 21, 2026, 5:30 a.m. ET
Heat Advisory Issued for Coastal Areas, Effective August 20–21
A Heat Advisory has been issued for coastal areas, according to WTOC and KSBY. The advisory is in effect from 11 AM to 8 PM, though sources differ on the exact dates: WTOC reports it begins at 11 AM on August 20 and ends at 8 PM on August 20, while another WTOC report says it begins at 11 AM on August 21 and ends at 8 PM on August 21. KSBY reports the advisory ends at 8 PM on August 21.
WTOC, the issuing office, reports that temperatures will warm to the low to mid 90s by lunchtime, with heat index values closer to 105 to 108 degrees toward the coast through the afternoon. Another WTOC report says highs will top out in the upper 90s, with heat index values over 105 possible through the afternoon. KSBY reports that heat advisories remain in effect for interior sections of both counties through this evening.
WTOC advises residents to hydrate and wear sunscreen if they plan to be outdoors. The cause of the heat has not been determined.
Aug 20, 2026, 6:15 p.m. ETFirst report
Heat Advisory in Effect for Thursday, August 20, 2026
A Heat Advisory is in effect from 11 a.m. to 8 p.m. on Thursday, August 20, 2026, according to WTOC. The advisory warns of heat index values over 105 through the afternoon, with highs in the upper 90s.
WTOC advises residents to hydrate and wear sunscreen if they plan to be outdoors. The advisory is in effect until 8 p.m. on Thursday, August 20, 2026.
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Revision history
- Version 221 Aug 2026, 09:35current
Updated to reflect conflicting start and end times from multiple sources, and added coastal area focus.
- Version 120 Aug 2026, 22:23
First published.
- Version 120 Aug 2026, 22:15current
First published.
- Version 121 Aug 2026, 09:30current
First published.
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